单词	钢轨焊接
释义	钢轨焊接Rail Welding
随便看	pycnocraspedum squamipinne alcock--1889 pycnocraspedum squamipinne alcock，1889 pycnodontidae pycnodontiformes pycnodonts pycnodysostoses pycnodysostosis pycnoepilepsia pycnoepilepsia; pycnoepilepsy pycnoepilepsy pycnoepilepsy--pycnoepilepsia pycnogonid pycnogonida pycnogonidae pycnogonids pycnogonoid pycnolejeunea pycnolejeunea grandiocellata pycnometer pycnometer--picnometer pycnometer; picnometer; pyknometer pycnometer-- pyknometer--picnometer pycnometer， picnometer， pyknometer pycnometric pycnometric method